:root {
    --color-principal-oscuro: #003366;
    --color-principal-medio: #006699;
    --color-azul-agua: #A8DADC;
    --color-blanco: #FFFFFF;
    --color-gris-claro: #F8F8F8;
    --color-gris-oscuro: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--color-gris-oscuro);
    background-color: var(--color-blanco);
}

.constrain {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-principal-oscuro);
    margin-bottom: .8em;
    line-height: 1.2;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 2em;
}

h3 {
    font-size: 1.75em;
}

p {
    margin-bottom: 1em;
}

a {
    color: var(--color-principal-medio);
    text-decoration: none;
    transition: color .3s ease;
}

a:hover {
    color: var(--color-principal-oscuro);
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--color-principal-oscuro);
    color: var(--color-blanco);
    border: none;
    border-radius: 7px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    transition: background-color .3s ease, transform .2s ease;
}

.btn:hover {
    background-color: var(--color-principal-medio);
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.imagenFrontal {
    width: 100vw;
    height: 50vh;
    object-fit: cover;
    object-position: center;
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

.texto-centrado {
    text-align: center;
}

.texto-izquierda {
    text-align: left;
}

.texto-derecha {
    text-align: right;
}

@media (max-width:768px) {
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.7em;
    }
    .constrain {
        padding: 0 15px;
    }
    .btn {
        padding: 10px 20px;
        font-size: .9em;
    }
    .texto-centrado p, .texto-izquierda p, .texto-derecha p {
        font-size: .95em;
    }
    .texto-centrado h1, .texto-izquierda h1, .texto-derecha h1 {
        font-size: 2em;
    }
}

@media (max-width:480px) {
    h1 {
        font-size: 1.8em;
    }
    h2 {
        font-size: 1.5em;
    }
    body {
        font-size: .95em;
    }
    .texto-centrado p, .texto-izquierda p, .texto-derecha p {
        font-size: .9em;
    }
    .texto-centrado h1, .texto-izquierda h1, .texto-derecha h1 {
        font-size: 1.8em;
    }
}

.main-header {
    background-color: rgba(182, 243, 243, .836);
    padding: 15px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    /*position:sticky;top:0;z-index:1000;*/
    transition: all .4s ease;
}

.main-header.scrolled .logo img {
    height: 40px;
}

.main-header.scrolled {
    padding: 10px 0;
    background-color: rgba(0, 51, 102, .95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, .2);
}

.main-header .constrain {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
    /*animation:fadeInZoom 1s ease-out forwards;opacity:0*/
}

@media (max-width:768px) {}

.separador-bonito {
    border: none;
    height: 3px;
    background-color: var(--color-azul-agua);
    width: 20%;
    margin: 50px auto;
    border-radius: 50%;
    opacity: .8;
    box-shadow: 0 0 10px rgba(102, 204, 255, .5);
    transition: all .3s ease;
}

.separador-bonito:hover {
    width: 30%;
    background-color: var(--color-principal-medio);
    opacity: 1;
}

@media (max-width:768px) {
    .separador-bonito {
        width: 40%;
        margin: 30px auto;
    }
}

.info-section {
    background-color: rgba(194, 240, 228, .856);
    padding: 80px 0;
    text-align: left;
}

.info-content {
    display: flex;
    gap: 60px;
    align-items: center;
    flex-wrap: wrap;
}

.info-text {
    flex: 1;
    min-width: 300px;
}

.info-text h2 {
    color: #2e2c2c;
    margin-bottom: 20px;
}

.info-text p {
    color: var(--color-gris-oscuro);
    margin-bottom: 15px;
}

.info-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 300px;
}

.info-image img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    border: 2px solid var(--color-principal-medio);
    box-shadow: 0 0 0 5px var(--color-azul-agua), 0 0 0 10px var(--color-blanco), 0 8px 25px rgba(0, 0, 0, .2);
    transition: all .3s ease-in-out;
}

.info-image img:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 0 0 5px var(--color-principal-oscuro), 0 0 0 10px var(--color-azul-agua), 0 12px 30px rgba(0, 0, 0, .3);
}

@media (max-width:768px) {
    .info-content {
        flex-direction: column;
        gap: 30px;
    }
    .info-text, .info-image {
        min-width: unset;
        width: 100%;
        text-align: center;
    }
    .info-image img {
        width: 90%;
    }
}

@media (max-width:480px) {
    .info-section {
        padding: 50px 0;
    }
}

.section-call-to-action {
    background-color: var(--color-gris-claro);
    padding: 100px 0;
    text-align: center;
}

.call-to-action-content {
    max-width: 900px;
    margin: 0 auto;
}

.section-call-to-action h1 {
    font-size: 3em;
    color: var(--color-principal-oscuro);
    margin-bottom: 25px;
}

.section-call-to-action .subtitle {
    font-size: 1.2em;
    color: var(--color-principal-medio);
    font-style: italic;
    margin-bottom: 15px;
}

.section-call-to-action .description {
    font-size: 1.1em;
    color: var(--color-gris-oscuro);
    line-height: 1.8;
    margin-bottom: 40px;
}

.button-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.btn-call-to-action {
    background-color: var(--color-principal-oscuro);
    color: var(--color-blanco);
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.15em;
    font-weight: bold;
    letter-spacing: .05em;
    box-shadow: 0 5px 15px rgba(0, 0, 0, .2);
    transition: all .3s ease;
    min-width: 250px;
}

.btn-call-to-action:hover {
    background-color: var(--color-azul-agua);
    color: var(--color-principal-oscuro);
    transform: translateY(-7px) scale(1.03);
    box-shadow: 0 10px 25px rgba(0, 0, 0, .3);
    border: 2px solid var(--color-principal-oscuro);
}

@media (min-width:769px) {
    .button-group {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width:768px) {
    .section-call-to-action h1 {
        font-size: 2.5em;
    }
    .btn-call-to-action {
        padding: 12px 30px;
        font-size: 1.05em;
        min-width: unset;
        width: 80%;
    }
}

@media (max-width:480px) {
    .section-call-to-action h1 {
        font-size: 2em;
    }
    .section-call-to-action p {
        font-size: 1em;
    }
    .section-call-to-action {
        padding: 60px 0;
    }
    .button-group {
        gap: 15px;
    }
    .btn-call-to-action {
        width: 90%;
    }
}

.section-cards {
    background-color: var(--color-gris-claro);
    padding: 80px 0;
    text-align: center;
}

.cards-section-title {
    color: var(--color-principal-oscuro);
    font-size: 2.8em;
    margin-bottom: 50px;
}

.cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.card {
    background-color: var(--color-blanco);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .1);
    overflow: hidden;
    width: calc(33.333% - 20px);
    min-width: 300px;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease-in-out, box-shadow .3s ease-in-out;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}

.card-image-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease-in-out, filter .4s ease-in-out;
}

.card-image-wrapper img:hover {
    transform: scale(1.1);
    filter: brightness(.8) grayscale(.2);
    cursor: pointer;
}

.card-content {
    padding: 20px;
    color: var(--color-gris-oscuro);
    text-align: left;
    flex-grow: 1;
}

@media (max-width:992px) {
    .card {
        width: calc(50% - 20px);
    }
}

@media (max-width:768px) {
    .cards-section-title {
        font-size: 2.2em;
        margin-bottom: 40px;
    }
    .card {
        width: 85%;
        min-width: unset;
    }
    .card-image-wrapper {
        height: 180px;
    }
}

@media (max-width:480px) {
    .section-cards {
        padding: 60px 0;
    }
    .card {
        width: 95%;
    }
    .card-content {
        padding: 15px;
    }
}

.section-puertos-secos {
    background-color: rgba(194, 240, 228, .856);
    padding: 90px 0;
    text-align: center;
}

.puertos-secos-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-puertos-secos .title-main {
    font-size: 1.8em;
    color: var(--color-principal-oscuro);
    line-height: 1.5;
    margin-bottom: 40px;
    font-weight: normal;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, .1);
}

.section-puertos-secos .subtitle-features {
    font-size: 1.5em;
    color: var(--color-principal-medio);
    margin-bottom: 30px;
    font-weight: bold;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.features-list li {
    font-size: 1.1em;
    color: var(--color-gris-oscuro);
    line-height: 1.6;
    max-width: 800px;
    position: relative;
    padding-left: 30px;
    text-align: left;
}

.features-list li::before {
    content: '✓';
    color: var(--color-principal-medio);
    font-size: 1.3em;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

@media (max-width:992px) {
    .section-puertos-secos .title-main {
        font-size: 1.6em;
    }
    .section-puertos-secos .subtitle-features {
        font-size: 1.3em;
    }
    .features-list li {
        font-size: 1em;
    }
}

@media (max-width:768px) {
    .section-puertos-secos {
        padding: 60px 0;
    }
    .puertos-secos-content {
        padding: 0 15px;
    }
    .section-puertos-secos .title-main {
        font-size: 1.4em;
        margin-bottom: 30px;
    }
    .section-puertos-secos .subtitle-features {
        font-size: 1.2em;
        margin-bottom: 20px;
    }
    .features-list li {
        font-size: .95em;
        padding-left: 25px;
    }
    .features-list li::before {
        font-size: 1.1em;
    }
}

@media (max-width:480px) {
    .section-puertos-secos .title-main {
        font-size: 1.2em;
    }
    .section-puertos-secos .subtitle-features {
        font-size: 1.1em;
    }
    .features-list li {
        font-size: .9em;
    }
}

.section-map {
    background-color: var(--color-blanco);
    padding: 80px 0;
    text-align: center;
}

.map-section-title {
    color: var(--color-principal-oscuro);
    font-size: 2.8em;
    margin-bottom: 50px;
}

.map-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, .15);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

@media (max-width:768px) {
    .map-section-title {
        font-size: 2.2em;
        margin-bottom: 40px;
    }
    .section-map {
        padding: 60px 0;
    }
    .map-container {
        padding-bottom: 75%;
    }
}

@media (max-width:480px) {
    .map-section-title {
        font-size: 1.8em;
    }
    .map-container {
        padding-bottom: 100%;
        border-radius: 5px;
    }
}

.main-footer {
    background-color: var(--color-principal-oscuro);
    color: var(--color-blanco);
    padding: 60px 0 40px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
}

.footer-logo-copyright {
    flex: 1;
    min-width: 280px;
    text-align: left;
}

.footer-logo-text {
    color: var(--color-blanco);
    font-size: 1.8em;
    font-weight: bold;
    text-decoration: none;
    display: block;
    margin-bottom: 15px;
    transition: color .3s ease;
}

.footer-logo-text:hover {
    color: var(--color-azul-agua);
}

.footer-logo-copyright img {
    max-width: 150px;
    height: auto;
    margin-bottom: 15px;
}

.copyright, .intellectual-property {
    font-size: .85em;
    line-height: 1.6;
    color: rgba(255, 255, 255, .7);
    margin-bottom: 10px;
}

.footer-social-links {
    flex: 0 1 auto;
    min-width: 180px;
    text-align: center;
}

.social-icons {
    margin-bottom: 20px;
}

.social-icons a {
    color: var(--color-blanco);
    font-size: 1.8em;
    margin: 0 10px;
    transition: color .3s ease, transform .3s ease;
}

.social-icons a:hover {
    color: var(--color-azul-agua);
    transform: translateY(-5px) scale(1.1);
}

.text-link-youtube {
    color: var(--color-blanco);
    text-decoration: none;
    font-size: 1em;
    transition: color .3s ease;
}

.text-link-youtube:hover {
    color: var(--color-azul-agua);
    text-decoration: underline;
}

.footer-problem-report {
    flex: 1;
    min-width: 250px;
    text-align: right;
}

.report-title {
    font-size: 1em;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 10px;
}

.report-email-link {
    color: var(--color-azul-agua);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: color .3s ease, transform .3s ease;
}

.report-email-link:hover {
    color: var(--color-blanco);
    text-decoration: underline;
    transform: translateX(-5px);
}

@media (max-width:992px) {
    .footer-content {
        justify-content: space-around;
    }
    .footer-logo-copyright, .footer-social-links, .footer-problem-report {
        flex-basis: calc(50% - 20px);
        min-width: unset;
        text-align: center;
    }
    .footer-problem-report {
        text-align: center;
    }
}

@media (max-width:768px) {
    .main-footer {
        padding: 40px 0 30px;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    .footer-logo-copyright, .footer-social-links, .footer-problem-report {
        width: 100%;
        text-align: center;
    }
    .social-icons a {
        font-size: 1.6em;
    }
    .footer-logo-text {
        font-size: 1.6em;
    }
}

@media (max-width:480px) {
    .copyright, .intellectual-property, .report-title {
        font-size: .8em;
    }
    .report-email-link {
        font-size: 1em;
    }
}

.btn-info-webmaster {
    display: inline-block;
    background-color: var(--color-azul-agua);
    color: var(--color-principal-oscuro);
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: .95em;
    margin-top: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
    transition: all .3s ease;
    letter-spacing: .03em;
}

.btn-info-webmaster:hover {
    background-color: var(--color-principal-medio);
    color: var(--color-blanco);
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 6px 18px rgba(0, 0, 0, .3);
    cursor: pointer;
}

.scroll-to-top-btn {
    display: none;
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: var(--color-principal-oscuro);
    color: var(--color-blanco);
    border: none;
    border-radius: 50%;
    width: 55px;
    height: 55px;
    font-size: 1.5em;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .3);
    z-index: 999;
    transition: background-color .3s ease, transform .3s ease, opacity .3s ease;
}

.scroll-to-top-btn:hover {
    background-color: var(--color-principal-medio);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .4);
}

.scroll-to-top-btn.show {
    display: flex;
    opacity: 1;
}

.text-size-controls {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    gap: 10px;
    z-index: 999;
    background-color: rgba(0, 51, 102, .9);
    padding: 10px 15px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .3);
}

.text-size-btn {
    background-color: var(--color-principal-oscuro);
    color: var(--color-blanco);
    border: 1px solid var(--color-azul-agua);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color .3s ease, transform .2s ease, border-color .3s ease;
}

.text-size-btn:hover {
    background-color: var(--color-principal-medio);
    border-color: var(--color-blanco);
    transform: scale(1.1);
}

.text-size-btn:active {
    transform: scale(.95);
}

@media (max-width:600px) {
    .scroll-to-top-btn {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.3em;
    }
    .text-size-controls {
        bottom: 20px;
        right: 20px;
        gap: 8px;
        padding: 8px 12px;
    }
    .text-size-btn {
        width: 40px;
        height: 40px;
        font-size: 1em;
    }
}

@keyframes fadeInZoom {
    from {
        opacity: 0;
        transform: scale(.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}